import 'package:flutter/foundation.dart';

class MarketEvents {
  MarketEvents._();
  static final MarketEvents instance = MarketEvents._();

  final ValueNotifier<int> _tick = ValueNotifier<int>(0);
  ValueListenable<int> get notifier => _tick;

  void notifyChanged() {
    _tick.value = _tick.value + 1;
  }
}


